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Finding the Fourth Proportional to 301,717.78, 452,526.92 and 99,316.50

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Solution

The fourth proportional to 301,717.78, 452,526.92 and 99,316.50 is: 148,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,717.78 : 452,526.92 = 99,316.50 : x
  2. Step 2: Convert to fraction form
    301,717.78/452,526.92 = 99,316.50/x
  3. Step 3: Cross multiply
    301,717.78x = 452,526.92 × 99,316.50
  4. Step 4: Simplify right side
    301,717.78x = 44,943,388,029.06
  5. Step 5: Solve for x
    x = 44,943,388,029.06/301,717.78
  6. Step 6: Final answer
    x = 148,958.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.